Fourlined tonguesole (Cynoglossus bilineatus)

Scientific name: Cynoglossus bilineatus Lacep?de, 1802

Fourlined tonguesole (Cynoglossus bilineatus)

The Fourlined tonguesole (Cynoglossus bilineatus) is a brackish-water fish of the family Cynoglossidae. In the aquarium it needs water at 26–29°C (79–84°F).

Fourlined tonguesole care at a glance

Temperature
26–29°C (79–84°F)

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 107-113; Anal spines: 0; Anal soft rays: 80 - 88. Eyed side brown with an irregular dark blotch on gill cover, blind side white. Blind side with 2 lateral lines (dorsal and medial). Body elongate, its depth 22 to 29% SL. Eyes with a small scaly interorbital space. Snout rounded. Rostral hook short. Corner of mouth reaching posteriorly beyond lower eye, nearer to gill opening than to tip of snout. Caudal-fin rays usually 12. Midlateral-line scales 88 to 96. Scales ctenoid on eyed side of body. Cycloid on blind side. Scale rows between lateral lines on eyed side of body 13 to 16 (Ref 9895).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Cynoglossus bilineatus
Family
Cynoglossidae (Tonguefishes)
Order
Pleuronectiformes (Flatfishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
44.0
Common length
30.0
Depth range
10–400 m (33–1312 ft)
Environment
Marine; brackish; demersal; depth range 10 - 400 m
Climate
Tropical
Distribution
Indo-West Pacific: Persian Gulf, off Pakistan, the west coast of India and Sri Lanka, Indonesia, the Philippines, Japan, and the north and east coasts of Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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